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hard rock drill bits

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7 Button 40mm Hard Rock Drill Bits For Mining
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Product Description 40mm 7 button hard rock drill bits for mining Drill bits are widely used in tunneling, mining, construction, stonework, transportation facility construction etc. For rocks with hardness F=15... Read More

2020-07-21 16:10:19

High Wear Resistance Retractable Hard Rock Drill Bits
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High Wear Resistance Retractable Hard Rock Drill Bits Retractable rock drill button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa ... Read More

2020-07-21 16:10:19

64mm T38 Rock Drill Bits
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64mm T38 Hard Rock Drill Bits Hard Rock Drill Bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and ... Read More

2020-07-21 16:10:19

64mm T38 Top Hammer Drilling Thread Hard Rock Drill Bits
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64mm T38 Top Hammer Drilling Thread Hard Rock Drill Bits Hard Rock Drill bits The hard rock drill bit is mainly used for blasting hole excavation of open pit rock drilling, underground mining, tunnelling and ... Read More

2020-07-21 16:10:19

33mm 34mm 76mm Tungsten Carbide Thread Button Drill Bits
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33mm 34mm 38mm Tungsten carbide Thread Button Drill Bits Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to ... Read More

2020-07-21 16:10:19

API 7 1/2" 190.5mm Hard Rock Water Well Drill Bits
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API 7 1/2" 190.5mm Hard Rock Water Well Drilling Bits * This Series Tricone Bit Diameter from 3 7/8" to 36 inch, IADC Code from 117 to 137. * Bearing : Rubber (O-Ring )Sealed Journal Bearing Bit Product Name ... Read More

2020-07-21 16:10:20

T38 R38 High Grade Tungsten Carbide Thread Button Drill Bit
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T38 R38 High Grade Tungsten Carbide Thread Button Drill Bit Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough ... Read More

2020-07-21 16:10:19

High Pressure KT11S Hard Rock DTH Drilling Rig Machine
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High Pressure KT11S Hard Rock DTH Drilling Rig Machine as a high performance DTH drill rig has a hydraulic system and a high pressure screw compressing system. The two systems share a same driving motor. The ... Read More

2020-07-21 16:10:10

Durable 12 1/4 Inches Tricone Water Well Drill Bits
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Durable 12 1/4 Inches Tricone Water Well Drill Bits 12 1/4 inches tricone bit is widely used in drilling projects, oil & gas well drilling, geothermal well drilling, water well drilling, and trenchless drilling... Read More

2020-07-21 16:10:20

Tricone Roller Cone Drill Bit
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Tricone Roller Cone Drill Bit Regular Size API REG PIN 3 7/8(98mm) 2 3/8 4 5/8(118mm) 2 7/8 5 5/8(142.8mm) 3 1/2 5 7/8(149.2mm) 3 1/2 6(152.4mm) 3 1/2 6 1/2(165) 3 1/2 7 1/2(190mm) 4 1/2 7 5/8(193mm) 4 1/2 8 1... Read More

2020-07-21 16:10:20

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